Post on 18-Jan-2016
transcript
Food Matters – Final
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Vocabulary
Molecules Main Ideas Fun Facts
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A substance that is cloudy, lightdoes not go through it; it is
scattered.
What is an opaque substance?
A gaseous molecule that is a productof combustion, a greenhouse gas,
and has a concentration of391 ppm in our atmosphere.
What is carbon dioxide?
These are the main componentsof food.
What are carbohydrates, proteins, fats and oils and water?
Cows can digest this substance(with the help of bacteria)
but humans cannot.
What is grass (cellulose)?
An additive that preserves themoisture content of food.
What is a humectant?
This greenhouse gas is emitted from bovines as a product
of their digestive processes.
What is methane?
What are vitamins and essential nutrients?
These substances are added
to food to prevent diseases.
These food additives can change the perceived flavor of food – yet they
have no flavor.
What are artificial food colors?
This organization ensuresthe safety of food in
the United States.
What is the FDA (Food and Drug Administration)?
One of the major components ofmany foods, present in gaseous,
liquid and solid forms, ubiquitous,present at 0% to 4% in our
atmosphere and essential to life!
What is water?
What are fertilizers?
These chemicals are required
in farming to ensure that we
can produce enough food to
feed the 7 billion people on this planet.
This form of carbon is present in the atmosphere.
What is carbon dioxide?
The top layer of the regolith thatsupports the growth of
vegetation.
What is soil?
The building blocks of proteins.
What are amino acids?
These substances are addedto food to increase shelf lifeby preventing reactions with
oxygen.
What are antioxidants?
This type of energy radiant energy isabsorbed by water
and is often used to cook food.
What are microwaves?
The unit of energy used to quantify the energy content
of food.
What is a calorie?
This two carbon molecule is chained together to make a
very common plastic. It is also used to ripen bananas!
What is ethylene?
These are the main two formsof energy.
What are potential and kinetic energy?
These types of fuel releases carbondioxide into the atmosphere; freeingcarbon that has been sequestered
for millions of years.
What are fossil fuels?